Characteristic polynomial
$$\begin{equation}\left(\lambda + 3\right) \left(\lambda + 4\right) \left(\lambda^{5} + 16 \lambda^{4} + 101 \lambda^{3} + 345 \lambda^{2} + 762 \lambda + 892\right)^{2} \left(\lambda^{5} - 20 \lambda^{4} + 56 \lambda^{3} + 192 \lambda^{2} + 384 \lambda + 2368\right)\notag\end{equation}$$
Minimal polynomial
$$\begin{equation}\left(\lambda + 3\right) \left(\lambda + 4\right) \left(\lambda^{5} + 16 \lambda^{4} + 101 \lambda^{3} + 345 \lambda^{2} + 762 \lambda + 892\right) \left(\lambda^{5} - 20 \lambda^{4} + 56 \lambda^{3} + 192 \lambda^{2} + 384 \lambda + 2368\right)\notag\end{equation}$$
Quantum multiplication matrix
$$\begin{equation}\begin{pmatrix}0 & 2 & 8 & 8 & 6 & 3 & 3 & 6 & 15 & 21 & 15 & 21 & 12 & 24 & 12 & 32 & 40 \\ 1 & -1 & 0 & 0 & 1 & 8 & 8 & 4 & 0 & 2 & 0 & 2 & 15 & 18 & 15 & 3 & 28 \\ 1 & 0 & -1 & 2 & 1 & 2 & 0 & 2 & 4 & 4 & 2 & 4 & 3 & 3 & 0 & 6 & 8 \\ 1 & 0 & 2 & -1 & 1 & 0 & 2 & 2 & 2 & 4 & 4 & 4 & 0 & 6 & 3 & 6 & 8 \\ 1 & 1 & 1 & 1 & -1 & 0 & 0 & 0 & 4 & 6 & 4 & 6 & 0 & 0 & 0 & 9 & 4 \\ 0 & 1 & 1 & 0 & 0 & -2 & 2 & 1 & 0 & 1 & 0 & 0 & 4 & 2 & 2 & 0 & 6 \\ 0 & 1 & 0 & 1 & 0 & 2 & -2 & 1 & 0 & 0 & 0 & 1 & 2 & 4 & 4 & 0 & 6 \\ 0 & 1 & 0 & 0 & 2 & 1 & 1 & -1 & 0 & 1 & 0 & 1 & 4 & 6 & 4 & 2 & 9 \\ 0 & 0 & 1 & 2 & 0 & 0 & 0 & 0 & -1 & 1 & 1 & 2 & 2 & 2 & 0 & 2 & 3 \\ 0 & 0 & 1 & 0 & 1 & 1 & 0 & 0 & 1 & -2 & 0 & 2 & 0 & 0 & 0 & 2 & 0 \\ 0 & 0 & 2 & 1 & 0 & 0 & 0 & 0 & 1 & 2 & -1 & 1 & 0 & 4 & 2 & 2 & 3 \\ 0 & 0 & 0 & 1 & 1 & 0 & 1 & 0 & 0 & 2 & 1 & -2 & 0 & 0 & 0 & 2 & 0 \\ 0 & 0 & 0 & 0 & 0 & 1 & 3 & 1 & \frac{5}{3} & 0 & -\frac{1}{3} & 3 & -\frac{4}{3} & 3 & \frac{5}{3} & \frac{1}{3} & 4 \\ 0 & 0 & 0 & 0 & 0 & 1 & 1 & 2 & \frac{1}{3} & 3 & \frac{1}{3} & 3 & \frac{4}{3} & 0 & \frac{4}{3} & \frac{2}{3} & 4 \\ 0 & 0 & 0 & 0 & 0 & 2 & 0 & -1 & -\frac{2}{3} & 0 & \frac{4}{3} & -3 & \frac{1}{3} & 0 & -\frac{8}{3} & -\frac{1}{3} & 0 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 2 & 3 & 2 & 3 & 1 & 0 & 1 & 0 & 2 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 2 & 3 & 2 & 2 & 0\end{pmatrix}\notag\end{equation}$$